Self-modulating air bleed apparatus and method for internal...
Self-mounting pneumatic fuel primer
Self-priming carburetor
Self-regulating fuel supply pump
Separate oiling type two cycle engine
Serviceable valve construction
Servo system using feedback
Shaft mounted valve position sensor
Shock proof engine overspeed control
Short duration fuel pulse accumulator for engine fuel injection
Short seat fuel injection nozzle valve
Shuttle type liquid fuel metering device
Sidewall cylinder entrapment valve for internal combustion...
Silencer
Silencer for gas induction and exhaust systems
Silencer with a side branch
Silencing chamber and air inlet for outboard motors
Simplified pressure carbureter
Single choke for multiple carburetors
Single fuel system carburetor having improved metering...